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Senior man wearing face mask and gloves outdoors. How to help senior citizens. Immune system is less effective at Royalty Free Stock Photo

Senior man wearing face mask and gloves outdoors. How to help senior citizens. Seniors are especially at risk if Royalty Free Stock Photo

Immune system is less effective at fighting infections as we get older. Senior man wearing face mask and gloves outdoors Royalty Free Stock Photo

Senior man wearing face mask and gloves outdoors. How to help senior citizens. Immune system is less effective at

How to help senior citizens. Seniors are especially at risk if infected. Immune system is less effective at fighting Royalty Free Stock Photo

Seniors are especially at risk if infected. Immune system is less effective at fighting infections as we get older Royalty Free Stock Photo

Senior man wearing face mask and gloves outdoors. How to help senior citizens. Immune system is less effective at fighting infections as we get older. Seniors are especially at risk if infected.